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The AAPG/Datapages Combined Publications Database

Showing 26,440 Results. Searched 191,924 documents.

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Optimum Deconvolution for Seismic Inversion Purposes

M. Suprajitno, L. Nutt, P. Busono

Southeast Asia Petroleum Exploration Society (SEAPEX)

... produces reflectivity series from which the acoustic impedance computation starts. The technique has been proved to be flexible in that the minimum, mixed...


Processing the first full azimuth OBN survey in Australia: a step change in imaging quality

Unnikrishnan Chambath, Vincent Ganivet, Sergey Birdus, Joe Zhou, Alain Delorme, Leigh Scoby-Smith, Ivan Gregory, Matt Kovacevic, Tim Williams, Chris Walton

Petroleum Exploration Society of Australia (PESA)

... the fault shadow issue The root cause of the fault shadow is the strong velocity variation across the faults. It creates a weak illumination thus low signal...


The Use of Time-Lapse Seismic Attributes for Characterizing Hydraulic Fractures in a Tight Siltstone Reservoir

N. Riazi, C.R. Clarkson

Unconventional Resources Technology Conference (URTEC)

... engineering inputs and seismic data can be quantified. In inversion, an attempt is made to recover the reflectivity by removing the wavelet effect...


Integrated Reservoir Characterization of Deep Kerogen-Rich Unconventional Resource Play in North Kuwait

Jonna D. Rao, Samar Al-Ashwak, Abdullah M. Al-Anzi, Musaed Y. Al-Dousiri, Narhari S. Rao, Qasem Dashti, Sandeep Chakravorty

Unconventional Resources Technology Conference (URTEC)

... reflectance overlain on coherency Vitrinite Reflectivity (Ro): The reflectance of the rich bitumen is considered as the vitrinite reflectivity due...


Seismic Attenuation Analysis for Reservoir Description

Search and

... layers defined by acoustic impedances. The proposed technique is based on the idea that Q values can be calculated from the peak frequency variation...


Abstract: Workflows for Sweet Spots Identification in Shale Plays Using Seismic Inversion and Well Logs; #90187 (2014)

Yexin Liu

Search and

...722 8) Rüger, A., 1998, Variation of P-wave reflectivity with offset and azimuth in anisotropic media: Geophysics, 63, 935– 947 9) Russell, B., Hampson, D....


Enhancing Vertical Seismic Resolution with Seismic Frequency Restoration and Attributes; #42156 (2017)

Luis Vernengo, Eduardo Trinchero, Maximillian Garcia Torrejon, Ignacio Rovira

Search and

... supervised by the interpreters and calibrated with geological information. Any variation in the shape of the basic wavelet in the seismic data...



J. L. Warner, D. K. Baskin, R. J. Hwang, R. M. K. Carlson, M. E. Clark

Search and

... variation is within analytical error for bulk (API [-420], sulfur [0.5 wt.%, ] δ13C [-29‰ δ13C {PDB}], δ34S [+11 to +14‰], and compound class...


Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance

Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

...), 732-739. Rüger, A., 1998, Variation of P-wave reflectivity with offset and azimuth in anisotropic media: Geophysics, 63, 935–947. Rüger, A., 2002...


Impact of an Integrated Seismic Data Processing Approach: A Case Study in Central Sumatra

Mars E. Semaan, Eddy Murhantoro, Maryanto, Achmad Bermawi, Budi Subianto, Hari Santoso

Indonesian Petroleum Association

... the changes in reflectivity. A correctly processed seismic section is a map of the variation of the acoustic impedance, which can be a direct indicator...


Base of the Crust: Seismological Expression, Geological Evolution, and Basin Controls: Chapter 4: Concepts

J. Hall

AAPG Special Volumes

..., and M. Warner, 1984, Moho beneath the North Sea compared on normal incidence and wide angle seismic records: Nature, v. 308, p. 55-56. Beach...


Shale Gas Sweet Spot Identification using Quantitative Seismic Interpretation (QSI) and Neural Network in Krishna-Godavari Basin, India

Soumen Deshmukh, Shrey Omer, P. S. Tomor, Harilal

Unconventional Resources Technology Conference (URTEC)

... and Richards equation (1994) was used to model the P-wave reflectivity as a function of the incident angle (Equation 2). R( )  (1  tan 2  ) 2 2...


Understanding the Spatial Geological Heterogeneity of the Delaware Basin from Pre-Stack Seismic Inversion

Simon Payne, Andrew Lewis, Ben Hardy, Venkatesh Anantharamu, Iestyn Russell-Hughes

Unconventional Resources Technology Conference (URTEC)

... stacks and validated using estimates of the seismic wavelets at the correct reflectivity angle range. The results of this process was a seismic...


Chapter 10-part 3: 3-D Depth Image Interpretation

William L. Abriel, Joseph P. Stefani, Robert D. Shank, David C. Bartel

AAPG Special Volumes

... not be mistaken for changes in reflection amplitude variation caused by changes in lithology, fluids or pressure. In addition to understanding...


Sedimentology and Petrophysical Character of Cretaceous Marine Shale Sequences in Foreland BasinsPotential Seismic Response Issues

W. R. Almon, Wm. C. Dawson, F. G. Ethridge, E. Rietsch, S. J. Sutton, B. Castelblanco-Torres

AAPG Special Volumes

... in the Lewis Shale. (B) This model is a synthetic seismic angle gather that shows the amplitude-vs.-angle (AVA) effect when all shale facies layers...


Advanced Imaging and Inversion for Oil Production Estimates in Unconventional Resource Plays

Greg M. Johnson, Paul Miller, David Phillips

Unconventional Resources Technology Conference (URTEC)

... orientations of the fast velocity. Simultaneous azimuthal amplitude variation with angle elastic inversion (AVOAZ) Preservation of amplitude...


An Integrated Geophysical Analysis of Crustal Structure in the Wichita Uplift Region of Southern Oklahoma

Amanda Rondot Buckey

Oklahoma City Geological Society

...: Oklahoma Geological Survey Bulletin 95, 302p. Hamilton, L.S., 1989. Structure of the Wichita Uplift, southern Oklahoma, from a wide-angle seismic...


Temporal and lateral variation in the development of growth faults and growth strata in western Niger Delta, Nigeria

Hamed Fazli Khani, Stefan Back

AAPG Bulletin

...Temporal and lateral variation in the development of growth faults and growth strata in western Niger Delta, Nigeria Hamed Fazli Khani, Stefan Back...


Geochemical Evidence for Two Stages of Hydrocarbon Emplacement and the Origin of Solid Bitumen in the Giant Tengiz Field, Kazakhstan

J. L. Warner, D. K. Baskin, R. J. Hwang, R. M. K. Carlson, M. E. Clark

AAPG Special Volumes

... variation is within analytical error for bulk (API [42], sulfur [0.5 wt.% ], 13C [29 13C {PDB}], 34S [+11 to +14], and compound class) and molecular...


Using Seismic Inversion to Predict Geomechanical Well Behavior: A Case Study From the Permian Basin

Simon S. Payne, Jerry Meyer

Unconventional Resources Technology Conference (URTEC)

... a comprehensive dataset from six wells, plus angle gathers from a recently acquired PSTM survey. The well data included dipole P and S-wave sonic logs...


Combination of Seismic Velocity Gradient and Sonic Gradient Variation as a Hydrocarbon Indicator: A Case Study in Clastic Reservoirs in South Sumatra

Iswani Waryono, Wahyu Triyoso

Indonesian Petroleum Association

.... The latest analytical method developed for DHI identification is Velocity Variation with Offset (VVO) or Angle (VVA) to identify gas clastic reservoirs within...


Analysis of the Elastic Impedance Inversion and Lamda Mu Rho to Identify the Distribution of Sandstone Reservoirs and Hydrocarbon Fluids in the JoggingŽ Field, Northwest Java Basin

Akbar Dwi Wahyono, Mualimin, Sudarmaji

Indonesian Petroleum Association

... in research regarding the activities of reservoir characterization The process of EI Inversion at angle 28° is proven the most sensitive in mapping...


The Occurrence and Classification of Hard Rock Body in Putrajaya and Its Implication to Construction Activities

Abd Rasid Jaapar, Nuril Anwar Ahba, Azimah Hussin

Geological Society of Malaysia (GSM)

... Penetration Test (SPT) howed variation due to differential weathering of the interbedded sandstone and shale, which reflect the variation in composition...


EXTENDED ABSTRACT: Conforming and Non-Conforming Sands - An Organizing Framework for Seismic Rock Properties

Young, Roger A. and LoPiccolo, Robert D.

GCAGS Transactions

... with the overlying shale or the direction (positive or negative) of change in impedance contrast reflectivity with increasing offset. Previous...


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